Improvement in slates



UNITED STATES PATENT QFFICE.

FRANCIS W. MALLETT, OF CHICAGO, ILLINOIS, ASSIGNOR TO ALFRED H. ANDREWS,HERBERT L. ANDREWS, AND THOMAS S. HAYDEN, 0F

SAME PLACE.

IMPROVEMENT IN SLATES.

Specification forming part of Letters Patent No. 189,118, dated April 3,1877; application filed August 28, 1876.

To all whom it may concern:

Be it known that I, FRANCIS W. MALLETT, of the city of Chicago, Cookcounty, State of Illinois, have invented new and useful lm provements inSlates, of which the following is a full description, reference beinghad to the accompanying drawings, in which- Figure l is a plan view,Fig. 2 a vertical section. Figs. 3 and 4 are details.

My invention'consists in providing the edge of a slateframe with animproved device for the purpose of preventing noise, as more fullyhereinafter described.

In the drawings, A represents a slate; B, the slate-frame. To the outeredge of the frame I secure a strip of material, C, extending entirelyaround the frame, and projecting both above and below the same, for thepurpose of preventing noise, as shown in Fig. 2. This strip C mayconveniently be made from a strip of elastic or somewhat elasticmaterial, a, covered with a piece of flannel, b, or other similarmaterial. The strip C may be secured to the slate-frame by means oftacks inserted through the material a, before the flannel b is applied.The flannel may be glued to a and over the heads of the tacks. Thestrip, completed in this way, can be secured to the edges of theslate-frame by means of glue, and by driving the said tacks into theframe, thus permanently and effectually securing the strip C to theframe.

The heads of the tacks will be covered, so

that they cannot come in contact with the furniture.

0 is a groove or recess, made in one side of the frame, large enough toreceive a pencil. d is a coil-spring, placed in a hole in the edge ofthe frame. The spring extends into the recess some distance, and comesin contact with the pencil e. I

The pencil, when not in use, can be placed in the recess 0, beingpressed down by the side of the spring, and the spring coming in contactwith'the pencil will hold it so that it cannot be removed except by theuse of a little force. A

What I claim as new, and desire to secure by Letters Patent, is asfollows:

A slate-frame, B, in combination with a strip, C, secured to the outsideedge thereof, and projecting beyond the frame upon both side faces,substantially as and for the purpose specified.

FRANCIS W. MALLETT.

Witnesses:

O. W. BOND, L. L. Born).

